US Bridges

N3906 over Creek

FairPosted for load

Osage County, Oklahoma · 3.6N 1.6W of County Line · Structure no. 293070000000000

Built
2007
18 years old
Condition
Fair
inspected January 2023
Type
Culvert
Steel
Length
57 ft
4 main spans
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3906 over Creek is a steel culvert carrying N3906 over Creek in Osage County, Oklahoma. It was built in 2007, so it is 18 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 57 ft (17.3 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN3906
CrossesCreek
Location3.6N 1.6W of County Line
RouteCity Street N3906
Coordinates36.80361, -96.03361
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.2 US tons
Inventory rating10.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length57 ft (17.3 m)
Longest span6 ft (1.8 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3906 over Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is N3906 over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does N3906 over Creek carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3906 over Creek?

The structure is 57 ft (17.3 m) long with a longest span of 6 ft (1.8 m) and a deck 23 ft wide.

Who owns N3906 over Creek?

It is owned by the City or Municipal Highway Agency.